pisciform,a.|ˈpɪsɪfɔːm| [f. L. pisci-s fish + -form.] Having the form of a fish. 1828Stark Elem.Nat.Hist. I. 160 Order X.—Cetacea. Body pisciform, terminated by a caudal appendage.1875Huxley in Encycl.Brit. I. 768/2 The embryo, when hatched, is pisciform and apodal.